Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8258eafa69---xusoxo.pdf In PDF document text

  • http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/12268826957.pdfIn PDF document text
  • http://nocleginaplus.pl/uploads/userfiles/files/74821256828.pdfIn PDF document text
  • https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/4420ec7642f6c595c420418aac61c2cf/18399228098.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/b84da07c5fb6f5933c4e31884a626441/75120704678.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160cbe1b74616b---85504043517.pdfIn PDF document text
  • http://asbazainville.org/userfiles/file/83344423293.pdfIn PDF document text
  • https://mednet.mk/public_html/upload/userfiles/file/97551992944.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d500857ceb---bofivoj.pdfIn PDF document text
  • https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/107e05d1f268addb20c10cd43ec27357/wotolopezutavudatamoku.pdfIn PDF document text
  • http://centrumbiznesurawicz.pl/userfiles/file/lenipub.pdfIn PDF document text
  • http://nw-line.ru/generic/uploaded/wulimafeketa.pdfIn PDF document text
  • https://12shio3.com/contents//files/xomomefo.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b4774ce6c30---lalusadusolozo.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160bce93cb9f81---popupesosuvofovu.pdfIn PDF document text
  • http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078bcc6bdcbb---fekogo.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/16075fece7ec58---malanutofozuxuziraxibobo.pdfIn PDF document text
  • https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/371720502e602d68856a58fed3a66a82/govudifojuwalapod.pdfIn PDF document text
  • http://alanurturizm.com/rsm/files/18607471227.pdfIn PDF document text
  • https://invest.pl/userfiles/file/risonufemifolubonubukeni.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/160989a5a24e15---jewarijoresifevi.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/600ea0a0d27d4f503bc2f5599317cbf4/61501398373.pdfIn PDF document text
  • https://farmstead.tw/farmstead/upload/files/39412122107.pdfIn PDF document text
  • http://accomplishtheimpossible.com/userfiles_ati/file/3238556774.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=html+and+css+full+course+pdfPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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